Machine for applying belt fasteners and the like



Oct. 23, 1928.

J. K. DIAMOND MACHINE FOR APPLYING BELT FASTENEEQS AND THE LIKE Filed April 29. 1926 4 Sheets-Sheet 1 INVENTOR James K. Dlamond flawed 3 A TTORNE Y5 0ct.23,1928. v 1,689,012

J. K. DIAMOND MACI -IINE FOR APPLYING BELT FASTENERS AND THE LIKE Filed April 29. 1926 4 Sheets-Sheet 2 INVENTOR James K. Diamond 1,689,012 J. K. DIAMOND MACHINE FOR APPLYING BELT FASTENERS AND THE LIKE Oct. 23, 1928.

Filed April 29. 19 26 4 Sheets-Sheet 3 15 5 ll 57 51 6 l1 14 54 f? Z5? 1 I l x 1 I I: I Z0 .1 5M -m- 1 5q 1% I 1 I I T Z4 2 z'; z --A0 5 w 25 :H l J "F" 5 INVENTOR 3 7 B James K. Diamond 2 Arm/awa s J. K. DIAMQND MACHINE FOR APPLYING BELT FASTENERS AND THE LIKE Filed April 2.9. 1:926 4 Sheets-Sheet 4 James K. Diamond 10 INIE'IVTOR BY 8 l g q ATTORNEYS Patented Get. as, 1928.

UNETEEZTE S'I TATZES JAMES K. DIAMOND, OF GRAND RAP-IDS,

MICHIGAN, ASSIGNOR TO criirrnn BELT LACER COMPANY, OF GRAND RAPIDS, MICHIGAN.

MACHINE FOR APPLYING BELT FASTENERS AND THE LIKE.

Application filed April 29, 1926. Serial No. 105,424.

The main objects of this invention are;

First, to provide an improved machine for applying belt fasteners to belts and the like which is very powerful.

Second, to provide an improved fastener applying machine by means of which a plurality of hooked fasteners are set into a belt with a minimum of cutting action on the belt and in such a manner as to utilize the full pulling power or strength of the fastener.

Third, to provide an improved fastener applying machine which may be adjusted to operate with substantially the same ei'liciency on various thicknesses of belts and sizes of fasteners. i

Fourth, to provide an improved fastener applying machine having these advantages which is very easy to operate.

Objects pertaining to details and economies of construction and operation of the in,- vention will definitely appear from the detailed description to follow. The invention is clearly defined and pointed out in the claims.

A structure embodying the features of my invention is clearly illustrated in the ac-- companying drawing forming a part of this 7 application, in which:

Fig. 1 is a perspective view of a machine embodying the features of my invention, a

fragment only of the supporting table or bench being shown. 2 j

Fig. 2 is a detail View partially in vertical section on a line corresponding to broken line 22 of Fig. 4.

Fig. 3 is a detail view partially disassembled and partially in section on a line corresponding to the broken line 33 of Fig. 5.

Fig. 4 is a detail view partially in vertical section on a line corresponding to line 4-4: of Figs. 2 and 5.

Fig. 5 is a detail view partially in horizontal section on a line corresponding to line 55.of Figs. 2 and 4. v

Fig. 6 is an enlarged fragmentary view showing the relation of the fasteners to the belt to which they are to be applied with the jaws in open position. 1

Figs. 7 and 8 are fragmentary views of 7 parts shown in Fig. 6. showing successive steps in the closing of the jaws.

Fig. 9 is a fragmentary view showing the jaws completely closed.

Fi 10 is a fra mentar 1 viewshowin one 6 3 b p j of the fasteners set into or secured to'the belt.

Referring to the drawing, 1 represents the supporting bed or tabletop. On this I mount the base brackets 2 which carry the base rods 3; These base rods have nuts 4 threaded upon each end thereof. Centrally on these rods I mount a pair of uprights 5 having opposed vertical ways 6 on their inner sides and vertical slots 7 in their upper ends. The'base rods 3 also carry the jaw supports 8 which are arranged. in opposed pairs,'the supports having tapered bores'9 to receive the rods so that the opposed pairsof jaw supports may betilted or adjusted to and from each other.

The jaws are adjusted and rigidly supported in their adjusted positions by means of rods 10 which are arranged through the horizontal alined bores 11 in the supports as shown in Fig. 5, these bores being of such size as to permit the adjustment or swinging movement of the supports.

The rods are arranged through cross bars 12 and 13 disposed at the outer sides of the supports 8, the rods having castellated nut 14 at one end. Thrust members 15 are ar ranged between the nuts and'the cross bars The adjusting nuts 16 are provided with sprocket wheels 17 connected bythe sprocket chain 18, one of the nuts 16 having a handpiece '19 so that the nuts are simultaneously ad usted to open and close the jaw supports.

A belt t-ightener 20, is mountedon the cross piece13. 3

- These jaw supports are provided wit-h thrust bearing plates 2-1. these bearing plates being chilled or of suitable material towithstand the wear and thrust of thejaws thereon. j The jaws 22 are provided with curved bearings 23 coac-t-in'g with-these be'aringthrust" plates. The jaws are also provided with downwardly projecting arms 24 disposed between the'pairs'of'jaw supports. The jaws are supported with their hearings in proper relation to the thrust plates 21 by means of the holders 25' which have segmental slots 26 therein with which the pins 27' on the jawarms engage. These holders also have curved surfaces 28 in opposed relation to the bear of the jaws; the jaw arms having pins 29coacting with these curved surfaces. A

The jaws are thus supported with'their SHE Ill

bearings in rocking or rolling engagement with the thrust plates on the jaw supports, substantially as though there were a rack and gear between the parts. The jaws are actuated by means of the driving pinion 30 connects the inner ends of the links 39 to the upper end of the rack, the lower ends of the links being connected to the arms 24 by means of the pivots 40. The links are arranged in pairs; that is, there is a pair on each side of the rack, thus balancing the stresses.

. .The jaws are provided with fiat jaw faces 41 which are arranged in a plane above the axial center of the jaws or the axis about which the jaws oscillate. Below the jaw faces the jaws are provided with longitudinal recesses 42 adapted to receive the ends of the horizontal arms .of the T-shaped fastener holder 43. This fastener holder has a plurality of transverse slots adapted to receive the bights of the lacing hooks 44. A locking pin 45 is arranged longitudinally of the holder to retain the fasteners in position, the

locking pin engaging the bights thereof as is indicated in Fig. 6. The lower walls of the recesses 42 are, in the embodiment illustrated, in approximately the radial planes of the curved jaw bearings. j

The fastener holder is yieldingly held in a central position relative to the pair of jaws By means of the spring pressed plungers 46 which are seated in bores 47 in the jaws to project through the recesses 42 into engagement with the edges of the fastenerholder, the plungers being yieldingly supported by means of the springs 48. Y

. The holder is supported against longitudinal movement in the recesses by means of the lug 49 in the bottom of one of the recesses engaging a notch 50 inthe edge of the holder,

see. Fig, 9.- The jaw supports are urged to open position by means of the coiled springs 51 arranged on the rodsylO between the uprights and; the jaw supports. Washer-like thrust members 52 are arranged between the ends of'thesprings andthe jaw supports.

:With this arrangement, as the nuts 16 are rotated to open or separate thej aw supports the springs force them apart.

'In use, a set of fasteners suitable forthe particular thickness of the belt, are placed in the holder. The jaws are then actuated, the faces of the jaws following and supporting the fasteners as their prongs are set or forced through the belt, indicated at 53, as shown in Figs. 6, 7 and 8. In the event the fasteners are not completely set on the first actuation of the aws, which is usually the case, the supports are closed or adjusted closer together and the jaws are again actuated. This may be repeated until the fasteners are embedded or set as shown in Fi gs. 9 and 10. It will be noted that the jaws are actuated by a toggle action.

With the parts arranged as shown, a very powerful actuating means is secured. The jaws are supported so as to secure a rocking motion, swinging their faces parallel with the sides of the belt and supporting thelarms of the hooks or fasteners throughout the closing movement so that the fasteners are set with their prongs in position to secure a maximum of'pulling strength and without cutting or tearing the belt.

The holder is fioatingly supported so that it centers itself relative to the closing of the jaws. The bearings for the jaws are ar ranged so that the wear and friction thereon is eliminated.

I have illustrated and described my improvements in an embodiment which has proved highly satisfactory' I have not attemped to illustrate or describe certain modifications or adaptations, as I believe the disclosure made will enable those skilled in the art to embody or adapt my improvements as may be desired.

Having thus described my invention, what I claim as new and desire to secure by Letters Patent is: I

1. In a structure of the class described, the combination of spaced horizontally disposed base rods, uprights disposed centrally on said base rods, said uprights having vertical slots in their upper ends and provided with opposed inwardly facing ways, opposed pairs of jaw supports mounted onsaid base rods for adjustment to and from each other and provided with opposed flat thrust bearings, rods for adjustably supporting said jawsupports disposed through said slots in said uprights, adjusting nuts for said last mentioned. rods provided with sprockets, a connecting chain for said sprockets, one of said nuts being pro vided with a hand piece, springs arranged on said last mentioned rods between said uprights and said jaw supports acting to separate said jaw supports, jaws provided with curved bearings coacting with said, thrust bearings of said aw supports and havingdownwardly projecting arms disposed be tween said jaw supports, said jaws having flat jaw faces above the planes of their axial centers and opposed longitudinal recesses below their said faces, the lower walls of said ion recesses being in approximately the planes of the radial centers of said jaws, means for supporting said aws wlth their bearings in iii rocking engagement with said thrust bearwith guide members coacting with said ways of said uprights, links connecting the upper end of said rack with the lower ends of said jaw arms providing an actuating toggle for said jaws, and a driving pinion mounted on said uprights to coact with said rack.

2. In a structure of the class described, the combination of spaced horizontally disposed base rods, uprights disposed centrally on said base rods, said uprights having opposed inwardly facing ways, opposed pairs of jaw supports mounted on said base rods for adjustment to and from each other and provided with opposed flat thrust bearings, aws provided with curved bearings coacting with said thrust bearings of said jaw supports and having downwardlyprojecting arms disposed between said jaw supports, said jaws having flat jaw faces above the planes of their axial centers and opposed longitudinal recesses below their said faces, the lower walls of said recesses being in approximately the planes of the radial centers of said jaws, means for supporting said jaws with their hearings in rocking engagement with said thrust bearings of said jaw supports, a fastener holder dis posed in said recesses, spring pressed centering plungers disposed to engage the edges of said fastener holder, a rack provided with guide members ooacting with said ways of said uprights, links connecting the upper end of said rack with the lower ends of said jaw arms providing an actuating toggle for said jaws, and a driving pinion mounted on said uprights to coact with said rack.

3. In a structure of the class described, the combination of spaced horizontally disposed base rods, uprights disposed centrally on said base rods, said uprights having vertical slots in their upper ends and provided with opposed inwardly facing ways, opposed pairs of'j aw supports mounted on said base rods for adjustment to and from each other and provided with opposed fiat thrust bearings, rods for adjustably supporting said jaw supports disposed through said slots in said uprights, adjusting nuts for said last mentioned rods provided with sprockets, a connecting chain for said. sprockets, one of said nuts being provided with a hand piece, springs arranged on said last mentioned rods between said uprights and said jaw supports acting'to separate said jaw supports, jaws provided with curved bearings coaeting with said thrust bearings of said jaw supports and having downwardly projecting arms disposed be-' tween said jaw supports, said aws having flat jaw faces above the planes of their axial centers, means for supporting said jaws with their hearings in rocking engagement with said thrust bearings of said jaw supports, a fastener holder operatively associated'with said jaws, a rack provided with guide members coacting with said ways of said uprights, links connecting the upper end of said rack with the lower ends of said jaw arms providing an actuating toggle for said aws, and a driving pinion mountedon said uprights to coact with said rack.

4. In a structure of the class described, the combination of spaced horizontally disposed base rods, uprights disposed centrally on said baserods, said uprights having opposed inwardly facing-ways, opposed pairs of jaw supports mounted on said base rods for adjustment to and from each other and provided with opposed-flat thrust bearings, jaws provided with curved bearings coacting with said thrust bearings of said jaw supports and having downwardly projecting arms disposed between said jaw supports, said jaws having fiat jaw faces above the planes of their axial centers, means for supporting said jaws with their bearings in rocking engagement with said thrust bearings of said jaw supports, a fastener holder operatively asso-, ciated with said jaws, a rack provided with guide members coacting with said ways of l aid uprights, links connecting the upper end of said rack with the lower ends of said jaw arms providing an actuating toggle'for said jaws, and a driving pinion mounted on said uprights to coact with said rack.

5 In a structure of the class described, the combination of spaced horizontally disposed base rods, uprights disposed centrally on said base rods and provided with opposed inwardly facing ways, opposed pairs of jaw supports mounted on said base rods for adjustment to and from each other and provided with opposed thrust bearings, rods for adjustably supporting said aw supports, adjusting nuts for said last mentioned rods,

means for simultaneously adjusting said nuts,

springs arranged on said last mentioned rods between said uprights and said jaw supports acting to separate said aw supports, aws provided with curved bearings 'coacting with said thrust bearings of said jaw 'supportsand having downwardlyprojecting arms disposed between said aw supports, said'jaws having flat jaw faces and opposed longitudinal recesses below their said faces,a'fastener holder disposed in said recesses, yielding means for centering said fastener holder between said jaws, a rack provided with guide members coacting with said ways of said uprights,

links connecting said rack withsaid jaws, and a driving pinion mounted on said uprights to coact with said rack.

6. In a structure of the class described, the combination of spaced horizontally disposed base rods, uprights disposed centrally on said base rods and provided with opposed inwardly facing ways, opposed pairs of jaw supports mounted on said base rods for adj ustment to and from each other and provided with opposed thrust bearings, rods for adjustably supporting said jaw supports, adjusting nuts for said last mentioned rods, means for stimultaneously adjusting said nuts, springs arranged on said last mentioned rods between said uprights and said jaw supports acting to separate said jaw supports, jaws provided with curved bearings coacting with said thrust bearings of said jaw supports and having downwardly projecting arms disposed between said jaw supports, said jaws having flat jaw faces, a fastener holder operatively associated with said jaws, a rack provided with guide members coacting with said ways of said uprights, links connecting said rack with said jaw arms, and a driving pinion mounted on said uprights to coact with said rack.

7 In a structure of the class'described, the combination of opposed pairs of jaw sup ports mounted for adjustment to and from each other and provided with opposed thrust bearings, rods for adjustably supporting said jaw supports, adjusting nuts for said rods provided with sprockets, a connecting chain for said sprockets so that they are simulta neously adjusted, springs arranged on said rods between said. uprights and said jaw supports acting to separate said jaw supports, jaws provided. with bearings coacting with said thrust bearings of said aw supports and having downwardly projecting arms disposed between said. jaw supports, said jaws having jaw faces above the planes of their axial centers and opposed recesses below their said faces, a fastener, holder disposed in said recesses, means for yieldingly centering said fastener holder between said jaws, a reciprocatinglv mounted rack, links connecting said rack with said jaw arms, and driving pinion coacting with said rack.-

8. In a structure of the class described, the

combination of opposed pairs of jaw supports mounted for ad ustment to and from each other and provided with opposed thrust bearings. jaws provided withbearings coacting with said thrust bearings of said jaw supports and having downwardly projecting arms'disposed between said jaw supports, said jaws having jaw faces above the planes of their axial centers andopposed recesses below their said faces, a fastener holder disposed in said recesses, means for yieldingly centering said fastener holder between said jaws, a reciprocatingly mounted rack, links connecting said rack with said jaw arms, and a driving pinion coacting withsaid rack.

9. In a structure of the class described, the combination of opposed pairs of jaw supports mounted for adjustment to and from each other and provided with opposed thrust bearings, rods for adjustably supporting said jaw, supports, adjusting nuts for said rods provided with sprockets, a connecting chain for said sprockets so that they are simultaneously adjusted, uprights disposed between the jaw supports, springs arranged on said rods between said uprights and said jaw supports acting to separate said jaw supports, jaws provided with bearings coacting with said thrust bearings of said jaw supports and having downwardly projecting arms dis-. posed between said jaw supports, said jaws having jaw faces above the planes of their axial centers, a fastener holder operatively associated with said jaws, a reciprocatingly mounted rack, links connecting said rack with said jaw arms, and a driving pinion coacting with said rack.

10. In a structure of the class described, the combination of opposed pairs of j aw supports mounted for adjustment to and from each other and provided with opposed thrust bearings, jaws provided with bearings coacting with said thrust bearings of said aw supports and having downwardly projecting arms disposed between said jaw supports, said jaws having jaw faces'above the planes of. their axial centers, a fastener holder operativcl, associated with said aws, a recipro catingly mounted rack, links connecting said rack with said jaw arms, and a driving pinion coacting with said rack.

' 11. In a structure of the class described, the combination of opposed jaw supports mounted for adjustment to and from each other and provided with opposed thrust bearings, aws roc-kingly supported to coact with said thrust bearings of said jaw supports, said jaws hav ing flat faces above the planes of their axial centers and opposed recesses below their said faces, a fastener holder disposed in said recesses, means for yicldingly centering the fastener holder between said jaws, and means for actuating said jaws.

12. In a structure of the class described, the combination ot opposed jaw supports mounted for adjustment to andfrom each other and provided with opposed thrust bearings, jaws rockingly supported to coact with d thrust bearings of said. aw supports, said. 7

jaws having flat faces above the planes of their axial centers, and means for rocking said aws on said thrust bearings to open and close them. i

13. In a structure of the class described, the combination of opposed jaw supports mounted for flCljHSlillilent to and from each other and provided with opposed thrust bearing surfaces, jaws provided with bearings mountedto coact with said thrust bearings of said. jaw supports, said jaws having j aw faces above the planes of their axial centers, a fastener holder floatingly mounted between said jaws, yielding centering means for said 7 holder, and means for actuating said jaws.

14. In a structure of the class described,

mounted for adjustment to and from each other and provided with opposed thrust bearing surfaces, jaws provided with bearings mounted to coact with said thrust bearings of said jaw supports, said jaws having jaw faces above the planes of their aXial centers, a fastener holder floatingly mounted between said jaws, and means for actuating said jaws.

15. In a structure of the class described, the combination of opposed pairs of jaw supports mounted for adjustment to and from each other and provided with opposed flat thrust bearings, jaws provided with curved bearings rockingly supported to coact with said thrust bearings of said jaw supports, said jaws having opposed recesses, a fastener holder disposed in said recesses, means for yieldingly centering it between said jaws, V

' ports and independently of the adjustment of and means for actuating said jaws.

16. In a structure of the class described, the combination of opposed pairs of jaw supports mounted for adjustment to and from each other and provided with opposed flat thrust bearings, jaws provided with curved bearings rockingly supported to coact with said thrust bearings of said jaw supports, a fastener holder operatively associated with said aws, and means for actuating, said aws.

17. In a structure of the class described, the combination of opposed jaw supports mounted for adjustment to and from each each other and provided with opposed flat thrust bearings, jaws provided with curved bearings mounted to coact with said thrust bearings of said jaw supports, a fastener holder operatively associated with said jaws, and means for actuating said jaws.

18. In a structure of the class described, the combination of opposed jaw supports provided with opposed flat thrust bearings, jaw rockingly mounted to coact with said thrust bearings of said jaw supports and having flat jaw faces above the plane of their axial centers, a fastener holder operatively associated with said jaws, and means for actuating said jaws.

19. In a structure of the class described, the combination of opposed adjustably and having flat jaw faces above the plane of 2 their axial centers and opposed recesses below their jaw faces, a fastener holder engaged in said recess, and means for actuating said jaws.

21. In a structure of the class described,

the combination of opposed adjustable jaw supports, a pair of coacting jaws rockingly mounted on said supports, a fastener holder operatively associated with said jaws, and

means for actuating saidjaws on said supsaid supports for opening and closing the aws.- p

22. In a structure of the class described, the combination of opposed jaw supporting members mounted for adjustment to and from each other, a pair of coacting rotatable jaws mounted on said supports in opposed relation, and a fastener holder carried by said jaws.

23. In a structure of the class described, the combination of a pair of jaw supporting members having opposed bearing faces, coacting jaws rockingly mounted on said bearing faces, a fastener holder carried by said jaws, and means for simultaneously rocking; said jaws to open and close them.

24. In a structure of the class described, the combination of a pair of opposed jaw supporting members, means for simultaneously adjusting said members to and from each other, a pair of opposed coacting jaws provided with radially disposed jaw faces rockingly mounted on said supporting members, and means for simultaneously rocking said jaws to open and close them independently of said jaw support adjustment;

In witness whereof I have hereunto set my hand.

JAMES K. DIAMOND. 

